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Exam 4A0-103 All Questions

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Exam 4A0-103 topic 2 question 36 discussion

Actual exam question from Alcatel-Lucent's 4A0-103
Question #: 36
Topic #: 2
[All 4A0-103 Questions]

Which LSA is used for OSPF-TE purposes?

  • A. Type 9 LSA ?Link local LSA
  • B. Type 10 LSA ?Area local LSA
  • C. Type 8 LSA ?TE router LSA
  • D. Type 11 LSA ?Network LSA
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Suggested Answer: B 🗳️

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SajjadKarim
2 years ago
Selected Answer: B
OSPF uses a new type of LSA (link state advertisement), the Type 10 Opaque LSA for carrying traffic-engineering information. The Opaque LSAs (Type 9, Type 10, and Type 11) are defined in RFC 2370. This RFC describes the flooding behavior of these LSAs but does not define how they are to be used. The Type 10 LSA is the area local opaque LSA that is flooded within a single area (Figure 14.9). RFC 3630 describes the traffic-engineering extensions for OSPF and uses Type 10 LSAs to flood the trafficengineering information. If there are non-TE-capable routers in an area, they must flood the TE LSAs that they receive.
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